Protective panel for a printing unit



FIG. 1 is a right side front, perspective view of the protective panelfor a printing unit showing our new design;

FIG. 2 is a left side, front perspective view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is an enlarged bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is an enlarged top plan view thereof.

The ornamental design for a protective panel for a printing unit, asshown and described.